PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/23-17:42:40
G05     53.1           10.5                9.7 +/-    2.97      26.9 +/-    2.97  0.050 / 0.080
G10     245.0          22.2               12.3 +/-    1.67      25.8 +/-    1.67  0.050 / 0.070
G13     60.2           32.9               10.1 +/-    2.77      16.6 +/-    2.77  0.120 / 0.410
G15     107.5          58.5                9.2 +/-    0.71      10.6 +/-    0.71  0.120 / 0.560
G16     302.5          15.3                4.0 +/-    3.45       9.8 +/-    3.45  0.050 / 0.100
G20     261.2          46.2               10.6 +/-    1.09      14.0 +/-    1.09  0.050 / 0.120
G21     327.2          56.2                7.9 +/-    1.50       9.3 +/-    1.50  0.140 / 0.330
G26     275.3          17.8                8.0 +/-    1.94      18.5 +/-    1.94  0.090 / 0.310
G29     162.0          57.8               11.4 +/-    0.79      13.2 +/-    0.79  0.040 / 0.040